edu.sdsc.mbt.viewers.GLViewerImpl
Class GlGeometryViewer

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  edu.sdsc.mbt.viewers.GLViewerImpl.GlGeometryViewer

All Implemented Interfaces:

javax.accessibility.Accessible, java.util.EventListener, javax.media.opengl.GLEventListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable

public class GlGeometryViewer

extends javax.swing.JPanel

implements javax.media.opengl.GLEventListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener

Define the GlGeometryViewer class.

Author:

John L. Moreland

See Also:

, Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Field Summary

boolean	hold
java.util.Vector	renderables

Fields inherited from class javax.swing.JComponent

TOOL_TIP_TEXT_KEY, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

GlGeometryViewer()
Construct an instance of the class.

Method Summary

void	addMoveEventListener(MoveEventListener moveEventListener)
void	addPickEventListener(GvPickEventListener pickEventListener) Add a pick event listener.
void	addRenderable(Renderable renderable) Add a new renderable object to the scene.
void	clearRenderables() Remove all renderable objects from the scene.
void	display(javax.media.opengl.GLAutoDrawable drawable) GLEventListener interface - display method:
void	displayChanged(javax.media.opengl.GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) GLEventListener interface - displayChanged method:
void	fireMoveEvent(MoveEvent moveEvent) Fire a pick event to all listeners.
void	firePickEvent(GvPickEvent pickEvent) Fire a pick event to all listeners.
void	fitView(double[] center, double radius)
double	getAspectRatio()
float[]	getBackgroundColor()
java.awt.image.BufferedImage	getBufferedImage()
javax.media.opengl.GLAutoDrawable	getDrawable()
double[]	getEyePosition()
double	getFarDistance()
float	getFogFar()
float	getFogNear()
java.awt.image.BufferedImage	getImage()
double[]	getLookAt()
double	getNearDistance()
double[]	getRotationCenter()
double[]	getUpVector()
ViewerParameters	getViewerParameters()
void	init(javax.media.opengl.GLAutoDrawable drawable) GLEventListener interface - init method: Initialize the GlGeometryViewer class.
void	lookAt(double[] center) Rotate and refocus the camera at the specified 3D point, but keep the current eye location and up orientation of the camera.
void	lookAt(double[] eye, double[] center) Move the camera to the specified eye point and orient the view toward the specified 3D center point.
void	lookAt(double[] eye, double[] center, double[] up) Move the camera to the specified eye point and orient the view toward the specified 3D center point with a given up vector.
void	mouseClicked(java.awt.event.MouseEvent e) mouseClicked method.
void	mouseDragged(java.awt.event.MouseEvent e) Control the camera motion.
void	mouseEntered(java.awt.event.MouseEvent e) MouseListener interface - mouseEntered method.
void	mouseExited(java.awt.event.MouseEvent e) mouseExited method.
void	mouseMoved(java.awt.event.MouseEvent e) mouseMoved method.
void	mousePressed(java.awt.event.MouseEvent e) mousePressed method.
void	mouseReleased(java.awt.event.MouseEvent e) mouseReleased method.
void	removeMoveEventListener(MoveEventListener moveEventListener) Remove a pick event listener.
void	removePickEventListener(GvPickEventListener pickEventListener) Remove a pick event listener.
void	removeRenderable(Renderable renderable) Remove a renderable object from the scene.
void	requestImage(int x, int y, int width, int height, int res)
void	resetFog(double[] center, double radius)
void	resetView() Reset the camera view to point at the origin, with an eye position at Z = -1, with a Y-up orientation.
void	resetView(double[] center, double radius, boolean fragment)
void	reshape(javax.media.opengl.GLAutoDrawable drawable, int x, int y, int width, int height) GLEventListener interface - reshape method:
void	rotate(double[] center, int axis, int angle) this method simulates rotation of the loaded structure(s) by transforming the camera position and direction positive values of rotation angle correspond to counterclockwise rotation when looking down the positive axis
void	setBackgroundColor(float[] color)
void	setFog(boolean enable, float near, float far)
void	setIndependentMotion(boolean flag, double[] center, double radius)
void	setMotionCenter(double[] center)
void	setRenderables(java.util.Vector renderables) Set the renderable object vector used to render the scene.
void	setRotationMode(boolean rotation)
void	setViewerParameters(ViewerParameters p)
void	translate(int axis, int distance)
void	updateMouseResponse(int f)
void	updateView()

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintImmediately, paintImmediately, print, printAll, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, validate

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, createImage, createImage, createVolatileImage, createVolatileImage, dispatchEvent, enable, enableInputMethods, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

renderables

public java.util.Vector renderables

hold

public boolean hold

Constructor Detail

GlGeometryViewer

public GlGeometryViewer()

Construct an instance of the class.

Method Detail

updateMouseResponse

public void updateMouseResponse(int f)

setIndependentMotion

public void setIndependentMotion(boolean flag,
                                 double[] center,
                                 double radius)

setMotionCenter

public void setMotionCenter(double[] center)

requestImage

public void requestImage(int x,
                         int y,
                         int width,
                         int height,
                         int res)

getImage

public java.awt.image.BufferedImage getImage()

setBackgroundColor

public void setBackgroundColor(float[] color)

getBackgroundColor

public float[] getBackgroundColor()

setFog

public void setFog(boolean enable,
                   float near,
                   float far)

getDrawable

public javax.media.opengl.GLAutoDrawable getDrawable()

init

public void init(javax.media.opengl.GLAutoDrawable drawable)

GLEventListener interface - init method: Initialize the GlGeometryViewer class.

Specified by:

init in interface javax.media.opengl.GLEventListener

reshape

public void reshape(javax.media.opengl.GLAutoDrawable drawable,
                    int x,
                    int y,
                    int width,
                    int height)

GLEventListener interface - reshape method:

Specified by:

reshape in interface javax.media.opengl.GLEventListener

display

public void display(javax.media.opengl.GLAutoDrawable drawable)

GLEventListener interface - display method:

Specified by:

display in interface javax.media.opengl.GLEventListener

displayChanged

public void displayChanged(javax.media.opengl.GLAutoDrawable drawable,
                           boolean modeChanged,
                           boolean deviceChanged)

GLEventListener interface - displayChanged method:

Specified by:

displayChanged in interface javax.media.opengl.GLEventListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

MouseListener interface - mouseEntered method.

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

mouseExited method.

Specified by:

mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

mousePressed method.

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

mouseReleased method.

Specified by:

mouseReleased in interface java.awt.event.MouseListener

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

mouseClicked method.

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Control the camera motion.

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

mouseMoved method.

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

resetView

public void resetView()

Reset the camera view to point at the origin, with an eye position at Z = -1, with a Y-up orientation. Default, if no structures are loaded

fitView

public void fitView(double[] center,
                    double radius)

resetView

public void resetView(double[] center,
                      double radius,
                      boolean fragment)

resetFog

public void resetFog(double[] center,
                     double radius)

lookAt

public void lookAt(double[] eye,
                   double[] center,
                   double[] up)

Move the camera to the specified eye point and orient the view toward the specified 3D center point with a given up vector. This provides complete camera control.

lookAt

public void lookAt(double[] center)

Rotate and refocus the camera at the specified 3D point, but keep the current eye location and up orientation of the camera. This provides a "turn your head and eyes toward an object" behavior. The new up-vector is computed automatically.

lookAt

public void lookAt(double[] eye,
                   double[] center)

Move the camera to the specified eye point and orient the view toward the specified 3D center point. This provides a "move your body to a point in space and look at an object" behavior. The new up-vector is computed automatically.

addRenderable

public void addRenderable(Renderable renderable)

Add a new renderable object to the scene.

removeRenderable

public void removeRenderable(Renderable renderable)

Remove a renderable object from the scene.

clearRenderables

public void clearRenderables()

Remove all renderable objects from the scene.

setRenderables

public void setRenderables(java.util.Vector renderables)

Set the renderable object vector used to render the scene. WARNING: The vector of renderable objects is not copied (in order to allow for high performance scene changes), so you should not modify the vector directly while it is active.

addPickEventListener

public void addPickEventListener(GvPickEventListener pickEventListener)

Add a pick event listener.

removePickEventListener

public void removePickEventListener(GvPickEventListener pickEventListener)

Remove a pick event listener.

firePickEvent

public void firePickEvent(GvPickEvent pickEvent)

Fire a pick event to all listeners.

addMoveEventListener

public void addMoveEventListener(MoveEventListener moveEventListener)

removeMoveEventListener

public void removeMoveEventListener(MoveEventListener moveEventListener)

Remove a pick event listener.

fireMoveEvent

public void fireMoveEvent(MoveEvent moveEvent)

Fire a pick event to all listeners.

getUpVector

public double[] getUpVector()

getLookAt

public double[] getLookAt()

getEyePosition

public double[] getEyePosition()

getFogNear

public float getFogNear()

getFogFar

public float getFogFar()

getNearDistance

public double getNearDistance()

getFarDistance

public double getFarDistance()

setRotationMode

public void setRotationMode(boolean rotation)

updateView

public void updateView()

setViewerParameters

public void setViewerParameters(ViewerParameters p)

getViewerParameters

public ViewerParameters getViewerParameters()

getRotationCenter

public double[] getRotationCenter()

getBufferedImage

public java.awt.image.BufferedImage getBufferedImage()

translate

public void translate(int axis,
                      int distance)

rotate

public void rotate(double[] center,
                   int axis,
                   int angle)

this method simulates rotation of the loaded structure(s) by transforming the camera position and direction positive values of rotation angle correspond to counterclockwise rotation when looking down the positive axis

Parameters:

axis - an integer parameter for coordinate axis

angle - angle in degrees

center - center of rotation (geometric center of the structure simulated to be rotsting)

getAspectRatio

public double getAspectRatio()